(TXT) View Source
       
       # DIGITAL COMMUNICATIONS ASSOCIATES, INC.
       
          IRMA3 COMVERTIBLE
       
          NIC Type              Ethernet                                 
          Network Transfer Rate 10Mbps                                   
          Data Bus              8-bit ISA/MCA                            
          Topology              Linear Bus, Star                         
          Wiring Type           Unshielded twisted pair                  
                                                                         
                                RG-58A/U 50ohm coaxial                   
          Boot ROM              Not available                            
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |         Function          | Label |    Function    | Label |
          |---------------------------+-------+----------------+-------|
          | Unshielded twisted pair   |  CN1  | RG-58A/U 50ohm |  CN2  |
          | port                      |       | coaxial port   |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            | Label |     Position      |
          |--------------------------------+-------+-------------------|
          | » | High sensitivity selected  |  JP2  | Pins 1 & 2 closed |
          |---+----------------------------+-------+-------------------|
          |   | Low sensitivity selected   |  JP2  | Pins 2 & 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |  Address   |   SW1/1   |   SW1/2   |   SW1/3   |   SW1/4   |
          |------------+-----------+-----------+-----------+-----------|
          |  X’680"h   |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’A80’h   |    On     |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |  X’E80’h   |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’6A0’h   |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’AA0’h   |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |  X’EA0’h   |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’6C0’h   |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’AC0’h   |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |  X’EC0’h   |    On     |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’6E0’h   |    Off    |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’AE0’h   |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |  X’EE0’h   |    Off    |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |  X’280’h   |    On     |    On     |    On     |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CABLE TYPE SELECTION                    |
          |------------------------------------------------------------|
          |               Type                |          JP1           |
          |-----------------------------------+------------------------|
          | » | RG-58A/U 50ohm coaxial        |   Pins 2 & 3 closed    |
          |---+-------------------------------+------------------------|
          |   | Unshielded twisted pair       |   Pins 1 & 2 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |      Note: The backplate must be changed for MCA and for   |
          |      ISA.                                                  |
          +------------------------------------------------------------+